Idle Fish Goes Ashore

A 30-year-old Chinese NEET is reincarnated into the body of an otaku that choked to death on instant noodles. As he comes to grips with his new life, he realizes that this world is subtly different from Earth. The denizens of this world are far better looking, and this new world also possesses futuristic technology as well as mysterious Yin Yang masters! 
After reincarnating, he realized that he was endowed with a miraculous game-like system, which enables him to increase his own stats and transcend the limits of the human body. This system even has a game-breaking ability to save and load in real life!
In this new world that’s akin to a 2-D game, he just wants to enjoy life and head for a glorious future... However, he is quickly embroiled in a complex plot. Can he unlock his true potential and utilize his system to break the shackles that confine him and discover the truth about his previous body’s circumstances? 
Note: This novel have an open ending with multiple possibilities, all fans are welcome to imagine an ending together.

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NEET Receives a Dating Sim System

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Later that night, Seiji purchased some desserts on the way and arrived at the Fuuma family's residence.

He rang the doorbell, and it wasn't long before the door was opened up by a little blue-haired girl wearing a one-piece dress.

"Hello, Fuuma-chan." Seiji smiled.

Airi's face flushed slightly red upon seeing his smile.

Seiji entered the Fuuma residence.

He saw a rather handsome blue-haired middle-aged man with slicked-back hair who wearing casual attire in the living room.

"Nice to meet you, Harano-kun. Welcome." He greeted Seiji with a husky voice. "My name is Hiroto Fuuma… Thank you so much for your help at that time."

"Nice to meet you, Fuuma-san. No need to be so polite. I just did what I should have," Seiji responded. He recognized this voice as belonging to the man who had talked to him on the phone before.

Could That Really Be the Truth?